[JayR]

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here is the tag on my Oakland built 63 super sport factory Air car.....and it does not show a/c on the cowl tag....i purchase this car from the original owner in 1989 so i know it's indeed factory a/c.its a irmine white car originaly.much of the car is still original..

back seat
headliner
drive train
rear package tray cardboard
dashpad

etc...

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My 63 Nova SS convertible also has factory a/c. It was built in Willow Run and doesn't have the a/c noted on the cowl tag, either. For whatever reason, you seldom see any factory a/c Chevy II's with the option noted on the cowl tag.
Bob